A Real Brick And Mortar Retail Bicycle Shop with people you can talk to!
Contact Us! (9-5 Mon-Fri, 12-4 Sat & Sun EST)
Video will open in a new window
Hayes Dominion A2 Disc Brake Caliper Kit - Hydraulic, Black, High-Performance MTB Components
Reference Number: 3OA4MN
Upgrade your braking performance with the Hayes Dominion A2 Complete Disc Caliper Kit in sleek Black. Designed for enthusiasts who demand precision, durability, and reliable stopping power, this high-performance caliper is the perfect replacement or upgrade for your Hayes Dominion hydraulic disc brake system.
Materials & Engineering Excellence
Constructed from lightweight yet robust aluminum alloy, the Hayes Dominion A2 Caliper offers superior heat dissipation and corrosion resistance, ensuring long-lasting performance in all riding conditions. Engineered with anodized finishes for enhanced durability, these calipers are built to withstand the rigors of mountain biking, trail riding, and downhill adventures.
Advanced Components & Technology
The Dominion A2 Caliper features innovative dual-piston architecture, providing balanced clamping force for consistent braking power and modulation. Compatible with Hayes' proven hydraulic brake fluid technology, this caliper delivers smooth, responsive braking with minimal finger effort. Designed with high-precision pistons and seals, it ensures optimal hydraulic performance and reduced fade even on extended descents.
Performance & Use Case
Ideal for aggressive trail riding, enduro, and downhill disciplines, the Hayes Dominion A2 Caliper kit delivers powerful stopping capability on demanding terrains. Its precise engineering ensures stable pad clearance and efficient heat management, allowing you to ride confidently at high speeds and technical sections.
Style & Aesthetic Appeal
Finished in a sleek black anodized coating, the Dominion A2 Caliper complements any bike setup, combining performance with a clean, professional look. Whether you're upgrading an existing system or building a custom build, its modern design enhances the overall aesthetic of your mountain bike.
Innovative & Differentiating Features
The Hayes Dominion A2 Caliper kit is designed for seamless compatibility with Hayes' hydraulic brake lines and rotors, making installation straightforward. Its high-performance engineering minimizes weight without compromising strength and durability, ensuring optimal weight balance and handling.
Upgrade to the Hayes Dominion A2 Complete Disc Caliper Kit - the reliable, high-performance choice for serious riders seeking precise control, exceptional durability, and a sleek aesthetic. Experience superior braking performance on every ride.
- High-performance Hayes Dominion A2 complete disc caliper kit engineered from high-quality materials to ensure durability and reliable stopping power in demanding cycling conditions
- Advanced hydraulic brake technology delivers precise modulation and consistent braking performance, even in wet or muddy environments for mountain biking and trail riding
- Designed for seamless compatibility with Hayes Dominion hydraulic systems, featuring a sleek black finish for a stylish and professional look on your bike
- Ideal for aggressive downhill, enduro, and trail riders seeking enhanced control, improved heat dissipation, and long-lasting caliper performance on rugged terrains
- Easy installation and maintenance with innovative components that ensure smooth operation and minimal wear, making it the perfect upgrade for serious cyclists
| Item Specifications | |
|---|---|
| Description | 2-Piston Caliper |
| Color | Bronze |
| Model Name | Dominion A2 |
| Mount | 74mm |
Why 365 Cycles?
365 Cycles is an Authorized Hayes Dealer, and we offer the Full Hayes Warranty!
Fast Shipping!
Professional Customer Service- available 7 days a week
Check out our 200,000+ amazing reviews!
365 Cycles delivers all your cycling needs fast! We don't waste time preparing your order. Our priority is to serve our customers first and foremost. If you need help picking the right product, have questions about bike component compatibility, or just want to geek out about bikes we are here 7 days a week! Simply put, we are bike experts from dirt to tarmac and want to make sure you get the full 365 Cycles experience when you shop with us.
At 365 Cycles our mission is to simplify the shopping experience. We want to get you the right product in a quick time frame and be here if you need help with questions, warranty, friend to talk to, etc.
We’re dedicated to building lasting relationships with our customers, communities, and team members. We combine the knowledge and service of a traditional bicycle shop with the convenience of shopping in your own home.
Shipping & Handling
Most orders placed during the workweek before 1:30 pm EST ship the same day, but in rare cases (peak season/holiday periods) handling time can take up to 48 hours. If you have questions regarding shipping estimates, please let us know prior to placing your order. There is a direct signature requirement for all orders over $500.Please allow 1-2 business days for your order tracking to update.
- Cut off for SAME DAY SHIPPING- 1:30 pm EST Monday - Friday
- Friday afternoon -Sunday orders ship the following Monday
- Due to carrier restrictions orders shipped to: PO Box, HI, AK, & PR 365 Cycles may use a comparable service to what was selected.
Combined Shipping Discounts
To offer customers savings on shipping, we offer discounts when shipping multiple items from our store. We cannot issue refunds on shipping once an order is finalized so please follow the 5 steps below and ask if you are having trouble with the discount before you make a purchase.- Be sure you are using the US site: https://www.ebay.com
- Select Add to Cart (instead of Buy It Now) with items from our store 365Cycles
- Click on Proceed to Checkout. On the checkout page, the shipping service on each line item needs to match
- Compare First Class vs Priority as sometimes Priority can be cheaper and it gets to you faster!
- You’ll need to change the shipping method to Priority on every item in your cart before the rate can be calculated.
Returns
365 Cycles offers returns for 30 days on new items in their original, intact packaging. Return shipping for ALL orders are to be paid by the buyer. Please be sure to read our return policy entirely and if you have any questions, please contact Customer Service.
Full refunds are issued on items that are brand new and we are able to resell as new. 365 Cycles reserves the right to deny returns that are outside of policy including, but not limited to, used items, items missing original packaging, items with damaged manufacturer packaging, or international orders. Return orders must be shipped in a box or bubble mailer. Items shipped without an outer box will incur a restocking fee. You will be contacted through eBay if your return is ineligible for a full refund.
Returns must be initiated within 30 days from purchase date through your Purchase History under My eBay.
If we make an error in shipping, please contact us -- we will ship out the correct item and provide a free prepaid return label as quickly as possible!
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately and, in the meantime, please initiate a return through eBay on the original item and return it. We will refund for the returned item once it is received back.
